Serum Anti-Hbs-Ag in Stable Hemodialysis Patients and its Relationship with Various Demographic and Biochemical Data
Keywords:Hepatitis B, Hepatitis B vaccine, Hemodialysis, Malnutrition, Anti-HBs antibody.
Introduction: To evaluate the relationship between various biochemical, nutritional and demographic factors with immune response to hepatitis B vaccine in maintenance hemodialysis (HD) patients. Material and Methods: A retro-prospective study was carried out on 68 patients undergoing maintenance hemodialysis. Patients were vaccinated against hepatitis B virus with an intramuscular hepatitis B vaccination schedule, 40 micrograms at 0, 1, and 6 months. We also selected 32 age matched normal healthy persons who had vaccinated against hepatitis B previously to compare the antibody production with HD patients. Results: The value of serum antibody level against hepatitis B surface antigen ( HBs) in hemodialisis patients and healthy persons were 35±55(median=5.5) and 135±71 (median=175) mIU/ml respectively. There was a significant deference between mean serum antibody level against HBs antigen of hemodialysis patients and normal subjects (p<0.001), there were not any significant differences of antibody production against HBs antigen between males and females or diabetic and non diabetics. There were no correlation between serum antibody level against HBs-Ag and serum albumin and also with body mass index. There were not significant correlation between anti-HBs antibody level and age, amounts of hemodialysis, duration of dialysis, dialysis adequacy, serum ferritin level and serum lipids. There were not also significant correlation between anti-HBs antibody level and serum parathormone, calcium, phosphorus, serum hemoglobin and hematocrit level. Conclusion: In this study, there was not significant correlation between serum antibody level against hepatitis B surface antigen and various nutritional and demographic factors of patients under regular hemodialysis.
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